在鸟的繁殖期快要结束的时候, 雌鸟离婚的比率就下降了.Towards the end of the plover breeding season, the rate of female divorce declines.阿拉斯加地海象——是正繁殖期的雌海象, 在夏秋季节通常活跃在北极的大片浮冰上.Alaska's walrus, especially breeding females, in and fall are usua...
The increase of reaction temperature will accelerate the coking rate of catalyst.反应温度的提高能使催化剂的结焦速率迅速增加.A coking gas oil was treated by clay refining processs in laboratory.以物质A为反应物,白土为脱色物质,研究用反应-吸附的方法提高焦化柴油的质量.It Circula...
The way things are going, perhaps he won't come at all.现在看来他是不会来了。Career-wise, this illness couldn't have come at a worse time.考虑到事业，这场病来得最不是时候。Economically and politically, this affair couldn't come at a ...